65160640

素因数分解:

$2^6\times 5^1\times {\mathrm{203627}}^1$

素因数の和:203644

約数の個数: 28

約数和(自身を含む): 155164536

約数和(自身を除く): 90003896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 203627, 407254, 814508, 1018135, 1629016, 2036270, 3258032, 4072540, 6516064, 8145080, 13032128, 16290160, 32580320, 65160640]

約数ペア:

[(1, 65160640), (2, 32580320), (4, 16290160), (5, 13032128), (8, 8145080), (10, 6516064), (16, 4072540), (20, 3258032), (32, 2036270), (40, 1629016), (64, 1018135), (80, 814508), (160, 407254), (320, 203627)]